@nlovering wrote:Fusion 12 requires MacOS 11.0+, and the attempt to install Fusion 12 fails.
Not entirely true. Fusion 12.2.0 and later requires macOS 11 or later. Fusion 12.1.2 is supported to run on macOS 10.15 Catalina (Catalina support was dropped in Fusion 12.2.0).
You can find Fusion 12.1.2 in the VMware Customer Connect's download center: https://customerconnect.vmware.com/downloads/details?downloadGroup=FUS-1224&productId=1040
Click on the dropdown next to "Select Version" and you will find the 12.1.2 version that is the latest that will run on Catalina.
The free personal use license for Fusion 12 Player will work for this version in addition to the paid licenses for Fusion 12 Player and Fusion 12 Pro.